#include "Socket.hpp"
#include "Common.hpp"
#include "Protocol.hpp"
#include <memory>

void Usage(std::string proc)
{
    std::cerr << "Usage: " << proc << " server_ip server_port" << std::endl;
}

void GetDataFromStdin(int *x, int *y, char *oper)
{
    std::cout << "Please Enter x: ";
    std::cin >> *x;
    std::cout << "Please Enter y: ";
    std::cin >> *y;
    std::cout << "Please Enter oper: ";
    std::cin >> *oper;
}

int main(int argc, char *argv[])
{
    if(argc != 3)
    {
        Usage(argv[0]);
        exit(USAGE_ERR);
    }
    std::string sever_ip = argv[1];
    uint16_t server_port = std::stoi(argv[2]);

    std::shared_ptr<Socket> client = std::make_shared<TcpSocket>();
    client->BuildTcpClientSocket();
    
    if(client->Connect(sever_ip, server_port) != 0)
    {
        std::cerr << "connect error" << std::endl;
        exit(CONNECT_ERR);
    }

    std::unique_ptr<Protocol> protocol = std::make_unique<Protocol>();
    std::string resp_buffer;
    while(true)
    {
        std::string req_str;
        int cnt = 3;
        while(cnt--)
        {
            //从标准输入获取数据
            int x, y;
            char oper;
            GetDataFromStdin(&x, &y, &oper);

            //构建一个请求->一个可以直接发送的字符串
            req_str = protocol->BuildRequestString(x, y, oper);
            // std::cout << "-----------encode req string------------" << std::endl;
            // std::cout << req_str << std::endl;
            // std::cout << "----------------------------------------" << std::endl;
            //发送请求
            client->Send(req_str);

            //获取应答
            Response resp;
            bool res = protocol->GetReponse(client, resp_buffer, &resp);
            if(res == false)
                break;
        }
        
    }
    client->Close();
    return 0;
}